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Thread: Idle problem only on startup

  1. #1
    Advanced Tuner
    Join Date
    Dec 2007
    Posts
    248

    Idle problem only on startup

    Attachment 43675No matter the temperature, on startup the car will surge. After the initial surge bypassed by throttle and slowly lowering TPS to zero it will idle perfect. If you rev it, the surge begins again. This is until you drive the car, once you drive it for about 5 mins, the problem goes away.

    milled 243 heads, 230/234 .613/.598 114+2 cam, yank ss3600
    Last edited by 98Camarod; 04-03-2014 at 07:03 PM.
    98 - z/28 Twin TC76's l forged 347 l boost cam l moser 9" l th400
    07.5 - GMC Sierra 2500HD D-Max daily
    09 - G8 GT wifes daily

  2. #2
    Advanced Tuner
    Join Date
    Dec 2007
    Posts
    248
    I fixed it. RAF was good, I had to adjust the proportional rpm and the airflows in the tables if anyone has this problem.
    98 - z/28 Twin TC76's l forged 347 l boost cam l moser 9" l th400
    07.5 - GMC Sierra 2500HD D-Max daily
    09 - G8 GT wifes daily